Microcausality and Quantum Cylindrical Gravitational Waves

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We study several issues related to the different choices of time available for the classical and quantum treatment of linearly polarized cylindrical gravitational waves. We pay especial attention to the time evolution of creation and annihilation operators and the definition of Fock spaces for the different choices of time involved. We discuss also the issue of microcausality and the use of field commutators to extract information about the causal properties of quantum spacetime.
12 pages, 4 figures, accepted for publication in Physical Review D

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/196896

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0304047
 http://arxiv.org/abs/gr-qc/0304047
 Phys.Rev.D67:124006,2003
 doi:10.1103/PhysRevD.67.124006

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arXiv